It's difficult for even an impartial outsider to resolve complicated family disputes, as they often involve deep-seated emotions and subjective perspectives.
他们夫妻俩因为一点小事吵了起来，谁也说不清谁对谁错，真是清官难断家事啊。
The couple argued over a minor issue, and neither could clearly say who was right or wrong. It truly shows that even an honest official would find it hard to settle such domestic disputes.
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